206 SLOW HARDENER
206 SLOW HARDENER 206 Slow Hardener® is a low-viscosity epoxy curing agent for use when extended working time or a longer cure time is needed.


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206 SLOW HARDENER 206 Slow Hardener® is a low-viscosity epoxy curing agent for use when extended working time or a longer cure time is needed.
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| Chemistry | Epoxy |
|---|---|
| Mix ratio | 5 parts resin to 1 part hardener by volume |
| Pot life | At 72°F (22°C): 20 to 25 minutes (100 g cupful) |
| Working time | At 72°F (22°C): 90 to 110 minutes (thin film) |
| Solid-state cure | At 72°F (22°C): 10 to 15 hours |
| Minimum curing temperature | At 60°F (16°C) |
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206 SDS
Product safety and handling information.
Safety data sheet – 206 SLOW HARDENER
Product safety and handling information.
105-206 Epoxy Resin
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Check the product label and current manufacturer documents for the exact component, colour and region before use.
Full product details, applications & manufacturer specifications
206 SLOW HARDENER 206 Slow Hardener® is a low-viscosity epoxy curing agent for use when extended working time or a longer cure time is needed.
It also provides adequate working time at higher shop temperatures. When combined with 105 Epoxy Resin® in a five-part epoxy resin to one-part hardener ratio, the cured 105 Epoxy Resin/206 Slow Hardener mixture yields a rigid, high-strength, moisture-resistant solid bond with excellent bonding and barrier coating properties. The mix ratio is 5 parts resin to 1 part hardener by volume.
206 Slow Hardener is not intended for clear coating. Selection Guide.
Recommended uses
Composite epoxy Epoxies- Chemistry
- Epoxy
- Mix ratio
- 5 parts resin to 1 part hardener by volume
- Pot life
- At 72°F (22°C): 20 to 25 minutes (100 g cupful)
- Working time
- At 72°F (22°C): 90 to 110 minutes (thin film)
- Solid-state cure
- At 72°F (22°C): 10 to 15 hours
- Minimum curing temperature
- At 60°F (16°C)
Product & project gallery
Complete your project.
Companion products for the selected product and system.

300 Mini Pumps
Meter resin and hardener accurately for the 105 System.
For Group A, B and C containers only. Fit the correct hardener pump and tubes for your container size.

105 Epoxy Resin
The resin used with WEST SYSTEM 200-series hardeners.
Choose matching resin and hardener group sizes and follow the specified mix ratio.
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